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iio: light: bh1780: return after write 

When writing a value using direct reg access from debugfs
we need to return and not fall through to reading the
value, lest we'll dereference a NULL pointer.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Linus Walleij 2016-04-28 14:02:41 +02:00 committed by Jonathan Cameron
parent 04bf02175f
commit 53dfc3b9e6
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/light/bh1780.c
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@ -84,7 +84,7 @@ static int bh1780_debugfs_reg_access(struct iio_dev *indio_dev,
int ret;
if (!readval)
bh1780_write(bh1780, (u8)reg, (u8)writeval);
return bh1780_write(bh1780, (u8)reg, (u8)writeval);
ret = bh1780_read(bh1780, (u8)reg);
if (ret < 0)